At USBPhoneWorld.com, were proud to offer premium lithium-ion replacement batteries that conform to OEM specifications for performance and reliability. The 6-cell Toshiba PA3780 battery, rated at 10.8V with 4400mAh capacity, is designed to be compatible with specific Toshiba Satellite models. For all of our premium laptop batteries, see the complete listing to learn if this is the correct battery for your system, or contact our customer service team. Even with the technological advancements of lithium-ion batteries, they dont last forever, so its a good idea to have an extra battery on hand. If your battery is no longer holding a charge, replace it with one of our low cost batteries and save yourself the worry of suddenly having a dead battery. With our Toshiba PA3780 laptop battery (and with all laptop batteries), you can maximize operation time by using your computers power saving features and by unplugging any peripherals when not in use. Games and DVD players can quickly drain battery power, so try to use these sparingly when on a long flight, or better yet, have an extra battery on hand. Our replacement batteries cost less than factory originals, so theyre a great value.